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For a deeper look at this approach, you can explore All About Liposomes

Fasudil preserves lung endothelial function and reduces pulmonary vascular remodeling in a rat model of end-stage pulmonary hypertension with left heart disease

PMID 23435582

In this study the authors demonstrate that the angiogenic factor FGF2 has two actions on the endothelial cells: triggers proliferation, through the Ras/MAPK pathway and also induces higher levels of two PDEGF receptors: the alpha and the beta

Data on systemic (injectable) administration in humans is far more limited, and GHK-Cu has not been approved for any medical use as an injectable drug

Int J Environ Res Public Health (2012) 9:391407